Home / 124,911.20-187,366.80-122,837.60

Finding the Fourth Proportional to 124,911.20, 187,366.80 and 122,837.60

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Solution

The fourth proportional to 124,911.20, 187,366.80 and 122,837.60 is: 184,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,911.20 : 187,366.80 = 122,837.60 : x
  2. Step 2: Convert to fraction form
    124,911.20/187,366.80 = 122,837.60/x
  3. Step 3: Cross multiply
    124,911.20x = 187,366.80 × 122,837.60
  4. Step 4: Simplify right side
    124,911.20x = 23,015,688,031.68
  5. Step 5: Solve for x
    x = 23,015,688,031.68/124,911.20
  6. Step 6: Final answer
    x = 184,256.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.